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21701 ZIP Code - United States

This ZIP Code belongs to the following areas. Below you can see the map of the postal area.

City City ZIP Type Estimated Population
Frederick, MD PRIMARY Significado STANDARD 28.730
Lewistown, MD ACCEPTABLE Significado STANDARD 28.730
Hood College, MD NOT ACCEPTABLE Significado STANDARD 28.730

Postal Zone from ZIP Code 21701 - United States

21701 ZIP Code - United States
ZIP Code Tabulation Areas (ZCTAs) for 21701 ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

21701 details

City Frederick
County Frederick
State Maryland
Estimated Population 37.017
Density 367,10
Timezone America/New_York
Latitude 39.446050000
Longitude -77.334950000

Average county area weight on ZIP Code 21701

County FIP Weight
Frederick 24021 100%

ZIP Code Maryland

Check the list of Maryland ZIP Code.

United States ZIP Code

See all the USA ZIP Code.

Status Definitions
  • PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
  • ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
  • NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
  • UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.